Paul, Here are some links for Bleichfelde (Bielawe/Bielawy).
Also included are the lists of LDS microfilms for Bromberg, where
Bleichfelde (Bielawe/Bielawy) should be included in the records. You would
have to choose whether your family was Catholic or Evangelist, then pick
from those records the dates you want to look at.

Notes
Mikrofilme aufgenommen von Manuskripten in Lübeck.
For films 245332-245347, 245349-245367 Kein Verleih in Berlin und
Brandenburg, Deutschland. No circulation to family history centers in Berlin
or Brandenburg, Germany. For films 245348 and 475056 Kann an alle
Genealogie-Forschungsstellen verliehen werden. May circulate to all family
history centers.
Parish registers of baptisms, marriages, deaths, confirmations and indexes
for Bromberg, Posen, Germany; now Bydgoszcz, Bydgoszcz, Poland. Also
includes some records of Langenau and Ottorowe. Text in German.